Foam pads properties and their effects on posturography in participants of different weight

Table 3 Mean, coefficient of variation, interquartile range and confidence intervals for overall posturographic results and participants’ results stratified by body mass

	\( \overline{\mathbf{x}} \) (SD) mm/s	CV	IQR	95% CI for \( \overline{\mathbf{x}} \)		<60 kg		60-89 kg		>90 kg
						\( \overline{\mathbf{x}} \)	Mdn	\( \overline{\mathbf{x}} \)	Mdn	\( \overline{\mathbf{x}} \)	Mdn
No foam	25.1 (5.2)	0.21	18.7	21.1	27.7	29.1	21	24.0	28.5	24	28.5
MF-75 mm	23.4 (6.1)	0.26	15.5	19.7	22.6	27.1	18	22.3	27.1	21	25.5
MF-100 mm	22.3 (4.9)	0.22	14.7	18.4	21.4	26.1	17	21.2	25.8	20	24.5
Uph-100 mm	75.6 (7.4)	0.10	23.2	69.2	85.7	81.9	82	82.1	49.5	45	49.5
BP-50 mm	78.7 (7.1)	0.09	23.7	74.1	82.7	83.2	79	82.0	66.5	62	66.5
MFL-75 mm	27.0 (4.6)	0.17	18.3	23.1	27.7	30.9	24	26.1	28.8	24.3	28.8
MFL-100 mm	32.8 (6.9)	0.21	18.7	28.8	29.7	36.8	36	31.4	30.5	26	30.5
UphL-100 mm	64.5 (6.3)	0.10	24.5	59.3	67.7	69.7	64	57.0	81.4	76	81.4
BPL-50 mm	33.0 (2.5)	0.08	19.75	29.2	33.7	36.9	30	33.0	32.5	28	32.5
MFS-75 mm	25.5 (6.6)	0,25	19.1	21.4	26.8	29.6	21.4	24.4	28.7	24.1	28.6
MFS-100 mm	29.0 (5.3)	0.18	18.5	24.5	42.7	33.4	39	24.6	28.6	23.5	28.0
UphS-100 mm	48.4 (3.7)	0.07	20.5	43.6	44.7	53.3	41	44.0	63.5	59	63.5
BPS-50 mm	34.0 (3.1)	0.09	19.8	30.0	34.7	38.1	31	34.0	33.5	29	33.5

\( \overline{x} \) (SD) = average velocity and its standard deviation. IQR = Interquartile range. CI – 95% confidence interval for the average velocity of sway.
MF: memory foam; Uph: upholstery foam; BP: balance pad; Large bi-layer with a surface of 0. 25 m² board: MFL: Memory foam large; UphL: Upholstery foam large; BPL: balance pad large; Small bi-layer with a surface of 0.09 m²: MFS: Memory foam small; UphS: Upholstery foam small; BPS: balance pad small.

ISSN: 2045-709X